return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3PH2 (Methyl phosphine)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-381.509192
Energy at 298.15K-381.514913
Nuclear repulsion energy59.888855
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3287 2985 13.95      
2 A 3187 2894 24.01      
3 A 2517 2286 85.55      
4 A 1568 1424 4.66      
5 A 1428 1297 0.05      
6 A 1206 1095 22.19      
7 A 1073 975 41.77      
8 A 785 713 0.65      
9 A 723 656 7.64      
10 A 3271 2970 12.68      
11 A 2516 2284 127.06      
12 A 1574 1429 5.92      
13 A 1110 1008 21.86      
14 A 736 669 1.46      
15 A 253 230 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 12617.0 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 11456.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/cc-pVDZ
ABC
2.41008 0.39118 0.38629

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.069 1.191 0.000
P2 0.069 -0.672 0.000
H3 -0.931 1.622 0.000
H4 0.607 1.543 0.882
H5 0.607 1.543 -0.882
H6 -0.867 -0.885 -1.045
H7 -0.867 -0.885 1.045

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.86391.08931.09171.09172.50572.5057
P21.86392.50322.44472.44471.41911.4191
H31.08932.50321.77571.77572.71652.7165
H41.09172.44471.77571.76443.43252.8451
H51.09172.44471.77571.76442.84513.4325
H62.50571.41912.71653.43252.84512.0901
H72.50571.41912.71652.84513.43252.0901

picture of Methyl phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H6 98.596 C1 P2 H7 98.596
P2 C1 H3 113.289 P2 C1 H4 108.789
P2 C1 H5 108.789 H3 C1 H4 109.004
H3 C1 H5 109.004 H4 C1 H5 107.825
H6 P2 H7 94.855
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239 0.244    
2 P 0.120 -0.305    
3 H 0.061 -0.075    
4 H 0.061 -0.016    
5 H 0.061 -0.016    
6 H -0.032 0.084    
7 H -0.032 0.084    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.639 0.996 0.000 1.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.917 1.487 0.000
y 1.487 -22.717 0.000
z 0.000 0.000 -21.179
Traceless
 xyz
x -0.969 1.487 0.000
y 1.487 -0.669 0.000
z 0.000 0.000 1.638
Polar
3z2-r23.276
x2-y2-0.200
xy1.487
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.439 0.479 0.000
y 0.479 5.592 0.000
z 0.000 0.000 4.960


<r2> (average value of r2) Å2
<r2> 45.119
(<r2>)1/2 6.717